X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_decoder.c;h=8aca0e6bb0d9f46477384f3a6b7bc66f0064715e;hb=58f350b730e9c9c091465ec1a39f2d71e92dd6f6;hp=6d1299a4b67c4b9e06fc0b116bb37f9d6d783925;hpb=07820ee58e9b356341ce86cd2b2938d3abef60c9;p=palacios.releases.git

diff --git a/palacios/src/palacios/vmm_decoder.c b/palacios/src/palacios/vmm_decoder.c
index 6d1299a..8aca0e6 100644
--- a/palacios/src/palacios/vmm_decoder.c
+++ b/palacios/src/palacios/vmm_decoder.c
@@ -1,3 +1,23 @@
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
 #include <palacios/vmm_decoder.h>
 
 
@@ -8,3 +28,23 @@ int opcode_cmp(const uchar_t * op1, const uchar_t * op2) {
     return memcmp(op1 + 1, op2 + 1, op1[0]);
   }
 }
+
+
+void strip_rep_prefix(uchar_t * instr, int length) {
+  int read_ctr = 0;
+  int write_ctr = 0;
+  int found = 0;
+
+  while (read_ctr < length) {
+    if ((!found) && 
+	( (instr[read_ctr] == 0xF2) ||
+	  (instr[read_ctr] == 0xF3))) {
+      read_ctr++;
+      found = 1;
+    } else {
+      instr[write_ctr] = instr[read_ctr];
+      write_ctr++;
+      read_ctr++;
+    }
+  }
+}